1992 Alfa Romeo RZ vs. 1990 Ford Sierra
To start off, 1992 Alfa Romeo RZ is newer by 2 year(s). Which means there will be less support and parts availability for 1990 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1990 Ford Sierra would be higher. At 2,959 cc (6 cylinders), 1992 Alfa Romeo RZ is equipped with a bigger engine. In terms of performance, 1992 Alfa Romeo RZ (209 HP @ 6200 RPM) has 135 more horse power than 1990 Ford Sierra. (74 HP @ 4900 RPM). In normal driving conditions, 1992 Alfa Romeo RZ should accelerate faster than 1990 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1992 Alfa Romeo RZ weights approximately 365 kg more than 1990 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1992 Alfa Romeo RZ (245 Nm @ 4500 RPM) has 122 more torque (in Nm) than 1990 Ford Sierra. (123 Nm @ 2900 RPM). This means 1992 Alfa Romeo RZ will have an easier job in driving up hills or pulling heavy equipment than 1990 Ford Sierra.
Compare all specifications:
| 1992 Alfa Romeo RZ | 1990 Ford Sierra | |
| Make | Alfa Romeo | Ford |
| Model | RZ | Sierra |
| Year Released | 1992 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 209 HP | 74 HP |
| Engine RPM | 6200 RPM | 4900 RPM |
| Torque | 245 Nm | 123 Nm |
| Torque RPM | 4500 RPM | 2900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1380 kg | 1015 kg |
| Vehicle Length | 4070 mm | 4430 mm |
| Vehicle Width | 1740 mm | 1700 mm |
| Vehicle Height | 1320 mm | 1370 mm |
